... values for ρ(qs| Q) and ρ(qt| Q). As mentioned earlier, it isstraightforward to obtain a relevance ranking for aset of n-grams: For each n-gram s, the LM prob-ability is computed using ... results for the different LMsare given in Table 2. The results are consistent inthe sense that the web mixture models outperformthe in-domain models, and augmentation helpsmore with larger models. ... rates were 17.0 for En-glish, 18.7 for Spanish, and 22.5 for French. For English, we also created web mixture mod-els with KN smoothing. The error rates were 16.5,15.9 and 15.7 for the 20 MB,...